function isAudioSupported(mime) {
  var audio = new Audio();

  if (typeof mime !== "string" || mime === null) {
    return false;
  }

  var bMime = null;
  if (mime.indexOf("ogg") != -1 || mime.indexOf("vorbis") != -1) {
    bMime = 'audio/ogg; codecs="vorbis"';
  } else {
    bMime = mime;
  }

  //return a true of the browser can play this file natively, or if the
  //file is an mp3 and flash is installed (jPlayer will fall back to flash to play mp3s).
  //Note that checking the navigator.mimeTypes value does not work for IE7, but the alternative
  //is adding a javascript library to do the work for you, which seems like overkill....
  return (
    (!!audio.canPlayType && audio.canPlayType(bMime) != "") ||
    (mime.indexOf("mp3") != -1 &&
      navigator.mimeTypes["application/x-shockwave-flash"] != undefined) ||
    (mime.indexOf("mp4") != -1 &&
      navigator.mimeTypes["application/x-shockwave-flash"] != undefined) ||
    (mime.indexOf("mpeg") != -1 &&
      navigator.mimeTypes["application/x-shockwave-flash"] != undefined)
  );
}
